program: syz_mount_image$ocfs2(&(0x7f00000026c0), &(0x7f0000004780)='./file0\x00', 0x200000, &(0x7f0000000640)=ANY=[@ANYBLOB="6a6f75726e616c5f6173796e635f636f6d6d69742c636f686572656e63793d66756c6c2c6572726f72733d636f6e74696e75652c6865617274626561743d6e6f6e652c6572726f72733d636f6e74696e75652c6e6f696e74722c67727071756f74612c001796fa694353e3807803df5ea6fd4d6e6a2613d336eb62b863dcd89e37b45f8bd04199a14c48b3e553e035ab300ba3c60c27682a8ab5656969d829535c0862f6e3a35f15fe4d50c0d5c74631344625d6224c436474bb101ff47a14c51e342ca291c09c35d9d31b06b6b86cb9dccae387b5f1e7c5e1d445d52845a3fa4c77234ea9d37c8a277c85e69a85cc6ffeb225bebbca91b569b80ee303c9a21c58db5d96fb87f1713e0e9b896e37becae2e7a978259a0847e9fb08dcb8b9f84f616463da2507db1b3489769e99"], 0x1, 0x4703, &(0x7f0000004800)="$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r0 = inotify_init1(0x0) inotify_add_watch(r0, &(0x7f0000000200)='.\x00', 0x10000a0) mkdir(&(0x7f0000000000)='./file0\x00', 0x0) lsetxattr$system_posix_acl(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='system.posix_acl_access\x00', 0x0, 0x0, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='hugetlb.2MB.usage_in_bytes\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000240), 0x4) syz_usb_connect$hid(0x6, 0x36, 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x42, 0x0) write$FUSE_WRITE(r2, &(0x7f00000000c0)={0x18}, 0xfffffdef) open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0) mount(&(0x7f0000000280)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x5000, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) r4 = syz_open_dev$vim2m(&(0x7f00000000c0), 0x7f, 0x2) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) r6 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f0000002140)={'wlan0\x00', 0x0}) r8 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NL80211_CMD_DEL_STATION(r6, &(0x7f0000002240)={0x0, 0x0, &(0x7f0000002200)={&(0x7f0000000400)={0x28, r8, 0xa29, 0x70bd29, 0x25dfdbfd, {{}, {@val={0x8, 0x3, r7}, @void}}, [@NL80211_ATTR_MAC={0xa}]}, 0x28}}, 0x0) ioctl$vim2m_VIDIOC_S_CTRL(r4, 0xc008561c, &(0x7f0000000000)={0xf0f043}) ppoll(&(0x7f0000000300)=[{r4, 0x2007}], 0x1, 0x0, 0x0, 0x0) ioctl$LOOP_SET_STATUS64(r3, 0x4c04, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x4800000, 0x8005, 0x0, 0x0, 0x9, 0x0, "ef359f413bb93852f7d6a4ae6dddfbd1ce5d29c2ee5e5ca9000ff8ee09e737ff0edf110ff4117639c2eb4b78c660e677df701905b9aafab4afaaf755a3f6a004", "036c47c6780820d10a00966d61fdcf335263bd9bffbcc2542ded71038259ca0400e1a311efec32d71e14ef3dc177b5b48b00", "f2fdffffffffffffff810000000000d300e6d602000000000000000000000001", [0x2, 0x1000]}) truncate(&(0x7f0000000100)='./file1\x00', 0xc88) [ 75.918246][ T4708] Bluetooth: hci0: command tx timeout [ 76.172689][ T5362] loop0: detected capacity change from 0 to 32768 [ 76.196711][ T5362] (syz.0.0,5362,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 76.208970][ T5362] (syz.0.0,5362,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 76.221589][ T1316] ieee802154 phy0 wpan0: encryption failed: -22 [ 76.224367][ T1316] ieee802154 phy1 wpan1: encryption failed: -22 [ 76.255554][ T5362] JBD2: Ignoring recovery information on journal [ 76.304368][ T5362] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 76.339482][ T5362] [ 76.340540][ T5362] ====================================================== [ 76.343353][ T5362] WARNING: possible circular locking dependency detected [ 76.346153][ T5362] syzkaller #0 Not tainted [ 76.348021][ T5362] ------------------------------------------------------ [ 76.350853][ T5362] syz.0.0/5362 is trying to acquire lock: [ 76.353054][ T5362] ffff88803f0bc618 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_write_begin_nolock+0x1ca6/0x4340 [ 76.357246][ T5362] [ 76.357246][ T5362] but task is already holding lock: [ 76.360435][ T5362] ffff8880442c14a0 (&oi->ip_alloc_sem){++++}-{4:4}, at: ocfs2_write_begin+0x198/0x310 [ 76.364428][ T5362] [ 76.364428][ T5362] which lock already depends on the new lock. [ 76.364428][ T5362] [ 76.368779][ T5362] [ 76.368779][ T5362] the existing dependency chain (in reverse order) is: [ 76.372686][ T5362] [ 76.372686][ T5362] -> #4 (&oi->ip_alloc_sem){++++}-{4:4}: [ 76.375732][ T5362] lock_acquire+0x120/0x360 [ 76.377869][ T5362] down_write+0x96/0x1f0 [ 76.379965][ T5362] ocfs2_try_remove_refcount_tree+0xb6/0x320 [ 76.382779][ T5362] ocfs2_xattr_set+0x595/0x11f0 [ 76.384914][ T5362] ocfs2_set_acl+0x701/0x7b0 [ 76.386983][ T5362] ocfs2_iop_set_acl+0x1aa/0x2a0 [ 76.389365][ T5362] vfs_set_acl+0x887/0xb00 [ 76.391480][ T5362] filename_setxattr+0x2e0/0x600 [ 76.393789][ T5362] path_setxattrat+0x364/0x3a0 [ 76.396020][ T5362] __x64_sys_lsetxattr+0xbf/0xe0 [ 76.398299][ T5362] do_syscall_64+0xfa/0x3b0 [ 76.400436][ T5362] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.403111][ T5362] [ 76.403111][ T5362] -> #3 (&oi->ip_xattr_sem){++++}-{4:4}: [ 76.406720][ T5362] lock_acquire+0x120/0x360 [ 76.408690][ T5362] down_read+0x46/0x2e0 [ 76.410770][ T5362] ocfs2_init_acl+0x2f9/0x720 [ 76.412927][ T5362] ocfs2_mknod+0x1321/0x2050 [ 76.415044][ T5362] ocfs2_mkdir+0x191/0x440 [ 76.417090][ T5362] vfs_mkdir+0x306/0x510 [ 76.419122][ T5362] do_mkdirat+0x247/0x590 [ 76.421057][ T5362] __x64_sys_mkdir+0x6c/0x80 [ 76.422956][ T5362] do_syscall_64+0xfa/0x3b0 [ 76.424751][ T5362] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.427064][ T5362] [ 76.427064][ T5362] -> #2 (jbd2_handle){++++}-{0:0}: [ 76.429981][ T5362] lock_acquire+0x120/0x360 [ 76.431952][ T5362] start_this_handle+0x1fa7/0x21c0 [ 76.434092][ T5362] jbd2__journal_start+0x2c1/0x5b0 [ 76.436295][ T5362] jbd2_journal_start+0x2a/0x40 [ 76.438495][ T5362] ocfs2_start_trans+0x376/0x6d0 [ 76.440704][ T5362] ocfs2_modify_bh+0xe8/0x470 [ 76.442598][ T5362] ocfs2_local_read_info+0x1465/0x17e0 [ 76.445062][ T5362] dquot_load_quota_sb+0x78e/0xbd0 [ 76.447378][ T5362] dquot_load_quota_inode+0x2e1/0x5d0 [ 76.449750][ T5362] ocfs2_enable_quotas+0x1c6/0x450 [ 76.451926][ T5362] ocfs2_fill_super+0x50fe/0x63c0 [ 76.454157][ T5362] get_tree_bdev_flags+0x40e/0x4d0 [ 76.456419][ T5362] vfs_get_tree+0x8f/0x2b0 [ 76.458599][ T5362] do_new_mount+0x2a2/0x9e0 [ 76.460647][ T5362] __se_sys_mount+0x317/0x410 [ 76.462852][ T5362] do_syscall_64+0xfa/0x3b0 [ 76.464910][ T5362] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.467532][ T5362] [ 76.467532][ T5362] -> #1 (&journal->j_trans_barrier){.+.+}-{4:4}: [ 76.471253][ T5362] lock_acquire+0x120/0x360 [ 76.473336][ T5362] down_read+0x46/0x2e0 [ 76.475401][ T5362] ocfs2_start_trans+0x36a/0x6d0 [ 76.477720][ T5362] ocfs2_modify_bh+0xe8/0x470 [ 76.479832][ T5362] ocfs2_local_read_info+0x1465/0x17e0 [ 76.482381][ T5362] dquot_load_quota_sb+0x78e/0xbd0 [ 76.484996][ T5362] dquot_load_quota_inode+0x2e1/0x5d0 [ 76.487500][ T5362] ocfs2_enable_quotas+0x1c6/0x450 [ 76.490302][ T5362] ocfs2_fill_super+0x50fe/0x63c0 [ 76.493026][ T5362] get_tree_bdev_flags+0x40e/0x4d0 [ 76.495738][ T5362] vfs_get_tree+0x8f/0x2b0 [ 76.498139][ T5362] do_new_mount+0x2a2/0x9e0 [ 76.500431][ T5362] __se_sys_mount+0x317/0x410 [ 76.502935][ T5362] do_syscall_64+0xfa/0x3b0 [ 76.505016][ T5362] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.507649][ T5362] [ 76.507649][ T5362] -> #0 (sb_internal#2){.+.+}-{0:0}: [ 76.510604][ T5362] validate_chain+0xb9b/0x2140 [ 76.512682][ T5362] __lock_acquire+0xab9/0xd20 [ 76.515088][ T5362] lock_acquire+0x120/0x360 [ 76.517282][ T5362] ocfs2_start_trans+0x26b/0x6d0 [ 76.519654][ T5362] ocfs2_write_begin_nolock+0x1ca6/0x4340 [ 76.522260][ T5362] ocfs2_write_begin+0x1bb/0x310 [ 76.524597][ T5362] generic_perform_write+0x2c5/0x900 [ 76.527108][ T5362] ocfs2_file_write_iter+0x157a/0x1d10 [ 76.529798][ T5362] vfs_write+0x5c6/0xb30 [ 76.531824][ T5362] ksys_write+0x145/0x250 [ 76.534049][ T5362] do_syscall_64+0xfa/0x3b0 [ 76.536174][ T5362] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.538910][ T5362] [ 76.538910][ T5362] other info that might help us debug this: [ 76.538910][ T5362] [ 76.543109][ T5362] Chain exists of: [ 76.543109][ T5362] sb_internal#2 --> &oi->ip_xattr_sem --> &oi->ip_alloc_sem [ 76.543109][ T5362] [ 76.548915][ T5362] Possible unsafe locking scenario: [ 76.548915][ T5362] [ 76.552044][ T5362] CPU0 CPU1 [ 76.554337][ T5362] ---- ---- [ 76.556595][ T5362] lock(&oi->ip_alloc_sem); [ 76.558501][ T5362] lock(&oi->ip_xattr_sem); [ 76.561492][ T5362] lock(&oi->ip_alloc_sem); [ 76.564432][ T5362] rlock(sb_internal#2); [ 76.566084][ T5362] [ 76.566084][ T5362] *** DEADLOCK *** [ 76.566084][ T5362] [ 76.569492][ T5362] 4 locks held by syz.0.0/5362: [ 76.571656][ T5362] #0: ffff888045ab39b8 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x247/0x320 [ 76.575498][ T5362] #1: ffff88803f0bc428 (sb_writers#12){.+.+}-{0:0}, at: vfs_write+0x211/0xb30 [ 76.579466][ T5362] #2: ffff8880442c1800 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: ocfs2_file_write_iter+0x429/0x1d10 [ 76.584254][ T5362] #3: ffff8880442c14a0 (&oi->ip_alloc_sem){++++}-{4:4}, at: ocfs2_write_begin+0x198/0x310 [ 76.588453][ T5362] [ 76.588453][ T5362] stack backtrace: [ 76.591017][ T5362] CPU: 0 UID: 0 PID: 5362 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 76.591033][ T5362] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 76.591042][ T5362] Call Trace: [ 76.591048][ T5362] [ 76.591054][ T5362] dump_stack_lvl+0x189/0x250 [ 76.591073][ T5362] ? __pfx_dump_stack_lvl+0x10/0x10 [ 76.591086][ T5362] ? __pfx__printk+0x10/0x10 [ 76.591103][ T5362] ? print_lock_name+0xde/0x100 [ 76.591118][ T5362] print_circular_bug+0x2ee/0x310 [ 76.591131][ T5362] check_noncircular+0x134/0x160 [ 76.591145][ T5362] validate_chain+0xb9b/0x2140 [ 76.591161][ T5362] __lock_acquire+0xab9/0xd20 [ 76.591178][ T5362] ? ocfs2_write_begin_nolock+0x1ca6/0x4340 [ 76.591195][ T5362] lock_acquire+0x120/0x360 [ 76.591210][ T5362] ? ocfs2_write_begin_nolock+0x1ca6/0x4340 [ 76.591229][ T5362] ? do_raw_spin_unlock+0x4d/0x240 [ 76.591242][ T5362] ocfs2_start_trans+0x26b/0x6d0 [ 76.591254][ T5362] ? ocfs2_write_begin_nolock+0x1ca6/0x4340 [ 76.591271][ T5362] ? __pfx_ocfs2_start_trans+0x10/0x10 [ 76.591281][ T5362] ? __kasan_kmalloc+0x93/0xb0 [ 76.591296][ T5362] ocfs2_write_begin_nolock+0x1ca6/0x4340 [ 76.591315][ T5362] ? rcu_is_watching+0x15/0xb0 [ 76.591327][ T5362] ? lock_release+0x4b/0x3e0 [ 76.591347][ T5362] ? __pfx_ocfs2_write_begin_nolock+0x10/0x10 [ 76.591362][ T5362] ? __bfs+0x154/0x2a0 [ 76.591371][ T5362] ? __pfx_hlock_conflict+0x10/0x10 [ 76.591383][ T5362] ? check_path+0x21/0x40 [ 76.591394][ T5362] ? check_noncircular+0xe0/0x160 [ 76.591406][ T5362] ? lockdep_unlock+0x89/0x120 [ 76.591421][ T5362] ? validate_chain+0x897/0x2140 [ 76.591438][ T5362] ? __lock_acquire+0xab9/0xd20 [ 76.591456][ T5362] ? ocfs2_write_begin+0x198/0x310 [ 76.591468][ T5362] ? down_write+0x162/0x1f0 [ 76.591481][ T5362] ? __pfx_down_write+0x10/0x10 [ 76.591494][ T5362] ocfs2_write_begin+0x1bb/0x310 [ 76.591504][ T5362] ? __pfx_seqcount_lockdep_reader_access+0x10/0x10 [ 76.591519][ T5362] ? __pfx_ocfs2_write_begin+0x10/0x10 [ 76.591531][ T5362] generic_perform_write+0x2c5/0x900 [ 76.591546][ T5362] ? __pfx_generic_perform_write+0x10/0x10 [ 76.591556][ T5362] ? file_update_time+0x2da/0x490 [ 76.591567][ T5362] ? __generic_file_write_iter+0xf9/0x230 [ 76.591577][ T5362] ? ocfs2_file_write_iter+0x1551/0x1d10 [ 76.591592][ T5362] ocfs2_file_write_iter+0x157a/0x1d10 [ 76.591611][ T5362] ? __pfx_ocfs2_file_write_iter+0x10/0x10 [ 76.591629][ T5362] ? __lock_acquire+0xab9/0xd20 [ 76.591648][ T5362] ? rcu_read_lock_any_held+0xb3/0x120 [ 76.591660][ T5362] ? __pfx_rcu_read_lock_any_held+0x10/0x10 [ 76.591675][ T5362] vfs_write+0x5c6/0xb30 [ 76.591688][ T5362] ? __pfx_ocfs2_file_write_iter+0x10/0x10 [ 76.591705][ T5362] ? __pfx_vfs_write+0x10/0x10 [ 76.591719][ T5362] ? __fget_files+0x2a/0x420 [ 76.591733][ T5362] ksys_write+0x145/0x250 [ 76.591745][ T5362] ? __pfx_ksys_write+0x10/0x10 [ 76.591757][ T5362] ? rcu_is_watching+0x15/0xb0 [ 76.591769][ T5362] ? do_syscall_64+0xbe/0x3b0 [ 76.591781][ T5362] do_syscall_64+0xfa/0x3b0 [ 76.591793][ T5362] ? lockdep_hardirqs_on+0x9c/0x150 [ 76.591809][ T5362] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.591820][ T5362] ? clear_bhb_loop+0x60/0xb0 [ 76.591833][ T5362] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.591844][ T5362] RIP: 0033:0x7fe8aa58eba9 [ 76.591855][ T5362] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 76.591865][ T5362] RSP: 002b:00007fe8ab477038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 76.591877][ T5362] RAX: ffffffffffffffda RBX: 00007fe8aa7d5fa0 RCX: 00007fe8aa58eba9 [ 76.591885][ T5362] RDX: 0000000000000004 RSI: 0000200000000240 RDI: 0000000000000005 [ 76.591892][ T5362] RBP: 00007fe8aa611e19 R08: 0000000000000000 R09: 0000000000000000 [ 76.591899][ T5362] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 76.591905][ T5362] R13: 00007fe8aa7d6038 R14: 00007fe8aa7d5fa0 R15: 00007ffe042681b8 [ 76.591917][ T5362] [ 76.867294][ T5362] loop0: detected capacity change from 32768 to 0 [ 77.202401][ T1039] I/O error, dev loop0, sector 28672 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 77.206470][ T5363] (syz.0.0,5363,0):ocfs2_search_chain:1817 ERROR: status = -5 [ 77.210552][ T5363] (syz.0.0,5363,0):ocfs2_search_chain:1940 ERROR: status = -5 [ 77.213850][ T5363] (syz.0.0,5363,0):ocfs2_claim_suballoc_bits:2010 ERROR: status = -5 [ 77.217947][ T5363] (syz.0.0,5363,0):ocfs2_claim_suballoc_bits:2063 ERROR: status = -5 [ 77.221668][ T5363] (syz.0.0,5363,0):__ocfs2_claim_clusters:2438 ERROR: status = -5 [ 77.225028][ T5363] (syz.0.0,5363,0):__ocfs2_claim_clusters:2446 ERROR: status = -5 [ 77.229323][ T5363] (syz.0.0,5363,0):ocfs2_local_alloc_new_window:1199 ERROR: status = -5 [ 77.232775][ T5363] (syz.0.0,5363,0):ocfs2_local_alloc_new_window:1224 ERROR: status = -5 [ 77.236678][ T5363] (syz.0.0,5363,0):ocfs2_local_alloc_slide_window:1298 ERROR: status = -5 [ 77.240754][ T5363] (syz.0.0,5363,0):ocfs2_local_alloc_slide_window:1317 ERROR: status = -5 [ 77.244550][ T5363] (syz.0.0,5363,0):ocfs2_reserve_local_alloc_bits:672 ERROR: status = -5 [ 77.248732][ T5363] (syz.0.0,5363,0):ocfs2_reserve_local_alloc_bits:710 ERROR: status = -5 [ 77.252408][ T5363] (syz.0.0,5363,0):ocfs2_reserve_clusters_with_limit:1172 ERROR: status = -5 [ 77.256320][ T5363] (syz.0.0,5363,0):ocfs2_reserve_clusters_with_limit:1221 ERROR: status = -5 [ 77.260686][ T5363] (syz.0.0,5363,0):ocfs2_lock_allocators:2775 ERROR: status = -5 [ 77.264092][ T5363] (syz.0.0,5363,0):ocfs2_write_begin_nolock:1723 ERROR: status = -5 [ 77.268065][ T5363] (syz.0.0,5363,0):ocfs2_write_begin:1887 ERROR: status = -5